#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
int prefixCount(char** words, int wordsSize, char* pref) {
    int res = 0;
    int len = strlen(pref);
    for (int i = 0; i < wordsSize; i++)
    {
        if (strncmp(words[i], pref, len) == 0)
            res++;
    }
    return res;
}

int main()
{

	return 0;
}